{"id":{"repo_id":"cape-town","oai_identifier":"oai:open.uct.ac.za:11427/5501"},"canonical_url":"https://search.dev.ndltd.org/etd/cape-town/oai:open.uct.ac.za:11427/5501","repository":{"repo_id":"cape-town","name":"University of Cape Town","base_url":"https://open.uct.ac.za/oai/request"},"display":{"title":"Evaluation of the sag properties in a dual stabilized ferritic stainless steel","abstract":"The dual stabilised type 441 (DIN 1.4509) ferritic stainless steel is primarily used in the automative industry for catalytic converters. The steel, in addition to oxidation and corrosion resistance, is required to have a certain degree of creep resistance in the operating environment. The customer, by means of a modified creep test known as the sag test, usually specifies this requirement. This requirement is attained in most cases; however, in certain instances the customer places a severe requirement on the material, which exceeds the normal capabilities of type 441 material for sag resistance.","abstract_html":"The dual stabilised type 441 (DIN 1.4509) ferritic stainless steel is primarily used in the automative industry for catalytic converters. The steel, in addition to oxidation and corrosion resistance, is required to have a certain degree of creep resistance in the operating environment. The customer, by means of a modified creep test known as the sag test, usually specifies this requirement. This requirement is attained in most cases; however, in certain instances the customer places a severe requirement on the material, which exceeds the normal capabilities of type 441 material for sag resistance.","abstract_has_math":false,"creators":["Muller, Bruce Walter"],"institution":"Department of Mechanical Engineering","degree_name":null,"degree_level":null,"degree_discipline":null,"degree_department":null,"school":null,"contributors":[],"advisors":["Knutsen, Robert D"],"committee_chairs":[],"committee_members":[],"year":2002,"date_issued":"2002","date_published":"2002","updated_at":"2026-07-24T01:34:01Z","subjects":[],"languages":["eng"],"rights":[],"rights_urls":[],"identifier_entries":[]},"links":{"outbound_url":"http://hdl.handle.net/11427/5501","outbound_label":"Handle","outbound_source":"dc:identifier.uri"},"metadata_groups":[{"id":"people","label":"People","entries":[{"key":"dc:contributor.advisor","label":"Advisor","values":["Knutsen, Robert D"]},{"key":"dc:creator","label":"Author","values":["Muller, Bruce Walter"]}]},{"id":"academic_context","label":"Academic Context","entries":[{"key":"dc:date.accessioned","label":"Dc Date Accessioned","values":["2014-07-31T11:19:31Z"]},{"key":"dc:date.available","label":"Dc Date Available","values":["2014-07-31T11:19:31Z"]},{"key":"dc:date.issued","label":"Date","values":["2002"]},{"key":"dc:publisher.department","label":"Dc Publisher Department","values":["Department of Mechanical Engineering"]},{"key":"dc:publisher.institution","label":"Dc Publisher Institution","values":["University of Cape Town"]},{"key":"dc:type","label":"Dc Type","values":["Master Thesis"]},{"key":"dc:type.qualificationlevel","label":"Dc Type Qualificationlevel","values":["Masters"]},{"key":"dc:type.qualificationname","label":"Dc Type Qualificationname","values":["MSc"]}]},{"id":"language_rights","label":"Language and Rights","entries":[{"key":"dc:language.iso","label":"Language (ISO)","values":["eng"]}]},{"id":"identifiers","label":"Identifiers","entries":[{"key":"dc:identifier.uri","label":"Identifier URI","values":["http://hdl.handle.net/11427/5501"]}]},{"id":"additional","label":"Additional Metadata","entries":[{"key":"dc:description","label":"Description","values":["Includes bibliographical references."]},{"key":"dc:description.abstract","label":"Abstract","values":["The dual stabilised type 441 (DIN 1.4509) ferritic stainless steel is primarily used in the automative industry for catalytic converters. The steel, in addition to oxidation and corrosion resistance, is required to have a certain degree of creep resistance in the operating environment. The customer, by means of a modified creep test known as the sag test, usually specifies this requirement. This requirement is attained in most cases; however, in certain instances the customer places a severe requirement on the material, which exceeds the normal capabilities of type 441 material for sag resistance."]},{"key":"dc:title","label":"Title","values":["Evaluation of the sag properties in a dual stabilized ferritic stainless steel"]}]}],"canonical_facts":{"dc:contributor.advisor":["Knutsen, Robert D"],"dc:creator":["Muller, Bruce Walter"],"dc:date.accessioned":["2014-07-31T11:19:31Z"],"dc:date.available":["2014-07-31T11:19:31Z"],"dc:date.issued":["2002"],"dc:description":["Includes bibliographical references."],"dc:description.abstract":["The dual stabilised type 441 (DIN 1.4509) ferritic stainless steel is primarily used in the automative industry for catalytic converters. The steel, in addition to oxidation and corrosion resistance, is required to have a certain degree of creep resistance in the operating environment. The customer, by means of a modified creep test known as the sag test, usually specifies this requirement. This requirement is attained in most cases; however, in certain instances the customer places a severe requirement on the material, which exceeds the normal capabilities of type 441 material for sag resistance."],"dc:identifier.uri":["http://hdl.handle.net/11427/5501"],"dc:language.iso":["eng"],"dc:publisher.department":["Department of Mechanical Engineering"],"dc:publisher.institution":["University of Cape Town"],"dc:title":["Evaluation of the sag properties in a dual stabilized ferritic stainless steel"],"dc:type":["Master Thesis"],"dc:type.qualificationlevel":["Masters"],"dc:type.qualificationname":["MSc"]},"updated_at":"2026-07-24T01:34:01Z"}